package org.codehaus.mojo.antlr.metadata;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import java.util.LinkedHashMap;
import java.util.HashMap;
import java.util.Iterator;
/**
* TODO : javadoc
*
* @author Steve Ebersole
*/
public class XRef
{
private final Object antlrHierarchy;
private LinkedHashMap filesById = new LinkedHashMap();
private HashMap filesByExportVocab = new HashMap();
private HashMap filesByClassName = new HashMap();
public XRef( Object antlrHierarchy )
{
this.antlrHierarchy = antlrHierarchy;
}
public Object getAntlrHierarchy()
{
return antlrHierarchy;
}
void addGrammarFile( GrammarFile grammarFile )
{
filesById.put( grammarFile.getId(), grammarFile );
Iterator itr = grammarFile.getGrammars().iterator();
while ( itr.hasNext() )
{
final Grammar grammar = (Grammar) itr.next();
filesByClassName.put( grammar.getClassName(), grammarFile );
if ( grammar.getExportVocab() != null )
{
GrammarFile old = (GrammarFile) filesByExportVocab.put( grammar.getExportVocab(), grammarFile );
if ( old != null && old != grammarFile )
{
System.out.println( "[WARNING] : multiple grammars defined the same exportVocab : "
+ grammar.getExportVocab() );
}
}
}
}
public Iterator iterateGrammarFiles()
{
return filesById.values().iterator();
}
public GrammarFile getGrammarFileById( String id )
{
return (GrammarFile) filesById.get( id );
}
public GrammarFile getGrammarFileByClassName( String className )
{
return (GrammarFile) filesByClassName.get( className );
}
public GrammarFile getGrammarFileByExportVocab( String exportVocab )
{
return (GrammarFile) filesByExportVocab.get( exportVocab );
}
}